Zap, North DakotaPhotos, maps and news from Zap, North Dakota.Updated July 20, 2018.

Zap is a city in Mercer County, North Dakota, United States. The population was 237 at the 2010 census.Zap was founded in 1913 along a branch line of the Northern Pacific Railway that began in Mandan. The exact origin of the name is uncertain, though there are numerous unconfirmed theories; some say the town was named after Zapp, which was either a prominent Minnesota banking family or a coal-mining town in Scotland. Zap has been noted for its unusual place name.